Company lists · Data refreshed September 2026

Top 25 Business systems integration firms based in the United Kingdom

RevenueBase identified 1,607 company matches for business systems integration firms associated with the United Kingdom as of September 2026 and tracks 18,586 professional contacts across them, including 6,217 with verified work emails. London is the largest hub.

This list covers company matches for business systems integration firms associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
1,607Companies
18,586Contacts tracked
6,217Verified emails
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The 25 largest business systems integration firms based in the United Kingdom

Ranked by team size
Top 25 of 1,607 company matches for business systems integration firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchReading, United KingdomHQ recorded Sep 28, 2026501-1,000504 contacts →

Exact match

“Lemongrass is a global SAP-focused cloud services provider focused on enabling Enterprises to turn SAP into a strategic advantage.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchManchester, United KingdomHQ recorded Sep 28, 2026501-1,000370 contacts →

Exact match

“EPI-USE Labs is a global software solutions and managed services company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchBirmingham, United KingdomHQ recorded Sep 28, 2026501-1,000307 contacts →

Exact match

“Kagool is a global technology consultancy with over 20 years of experience helping enterprise organisations modernise SAP, data and AI platforms.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 28, 2026n/a307 contacts →

Exact match

“Arch has specialised in SAP solutions for over 25 years and our team has extensive experience of SAP technologies and SAP usability.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 28, 2026201-500306 contacts →

Exact match

“Modern revenue growth is powered by intelligent, scalable Quote-to-Cash strategies.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 28, 2026201-500292 contacts →

Exact match

“OLR is a specialist Oracle Retail systems integrator delivering end-to-end omnichannel solutions to enable leading retailers to accelerate business success through system…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 28, 2026201-500245 contacts →

Exact match

“Percipere is a niche global consultancy, partnering companies in their evolution towards greater operational efficiency and profitability.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchSheffield, United KingdomHQ recorded Sep 28, 2026201-500234 contacts →

Exact match

“For organisations facing the compounding threats of ageing assets, a retiring workforce, and evolving cyber attacks, the status quo is no longer an option.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchMaidenhead, United KingdomHQ recorded Sep 28, 2026201-500218 contacts →

Exact match

“BMSI is the UK’s largest & leading Independent systems integrator of Building Energy Management Systems (BEMS).”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-200193 contacts →

Exact match

“eAppSys is a systems integrator that is focused exclusively on supporting the core enterprise application systems within Oracle On-Premise and Cloud Applications.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchGerrards Cross, United KingdomHQ recorded Sep 28, 2026201-500190 contacts →

Exact match

“Platned helps organisations simplify complex change and get more value from their enterprise technology investments.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 28, 2026501-1,000186 contacts →

Exact match

“Maintel is a leading systems integrator and managed services provider, delivering effortless communications solutions to a broad spectrum of businesses in the UK and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchFarnborough, United KingdomHQ recorded Sep 28, 2026501-1,000177 contacts →

Exact match

“In 2009 SoftBrands was bought by Infor and is now a part of the Infor Hospitality Suite.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBallymena, United KingdomHQ recorded Sep 28, 2026201-500164 contacts →

Exact match

“With 45+ years in business, Dowds expertise spans the full lifecycle of complex build environments – from initial design and systems integration to final handover and beyond.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-200160 contacts →

Exact match

“InterEx Group is becoming the strategic partner of choice for organizations undergoing digital, business, and technology transformation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchStaines-upon-thames, United KingdomHQ recorded Sep 28, 2026201-500125 contacts →

Exact match

“Technology consultancy providing expertise to complex IT programs.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 28, 2026201-500125 contacts →

Exact match

“Enterprise Outsourcing is a global leader in technology services, providing support to businesses in Australia, Spain, the United Kingdom, United States, Indonesia, South Africa…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchCongleton, United KingdomHQ recorded Sep 28, 202651-200121 contacts →

Exact match

“Anthesis is an IFS and Infor Channel and Services Partner - reselling IFS and Infor M3 (Movex) software - we provide vital world-class ERP expertise to organisations of all sizes…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 28, 2026201-500121 contacts →

Exact match

“At Infosight, we architect the future of enterprises by engineering your digital core and activating the intelligence within.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchFrimley, United KingdomHQ recorded Sep 28, 202651-200119 contacts →

Exact match

“Cinos is an industry-leading, agile, and innovative systems integrator.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchBorehamwood, United KingdomHQ recorded Sep 28, 202651-200118 contacts →

Exact match

“OCS Consulting plc, established in 1984 and now an employee-owned organisation, is a leading IT Consultancy with offices in the UK, The Netherlands, Switzerland, and Belgium.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-200117 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchEynsham, United KingdomHQ recorded Sep 28, 202651-200117 contacts →

Exact match

“European Electronique is a leading UK systems Integrator, specialising in the delivery of secure technology platforms including Hybrid IT, Cyber Security and Networking…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchHorsham, United KingdomHQ recorded Sep 28, 202651-20099 contacts →

Exact match

“Envitia is an IT services and consulting company, specialising in complex data challenges.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchMaidenhead, United KingdomHQ recorded Sep 28, 202651-20097 contacts →

Exact match

“NeosAlpha: Your Trusted Partner in IT Consulting and Digital Transformation Founded in the UK in 2017, NeosAlpha is a niche IT consulting and services company, that delivers…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 1,607 business systems integration firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 6,217 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business systems integration firms based in the United Kingdom at a glance

As of Sep 28, 2026
33.4%Verified-email coverage
11.6Average contacts per company
1-10Median size (employees)
32.9%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
952
11-50
462
51-200
148
201-500
25
501-1,000
8
1,001-5,000
4
5,001-10,000
1
10001+
2

Email recency is not reported for this list. Company counts and contact totals on this page are counted from the 1,607 companies this search returned, because the overall count for this search did not match them.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “business systems integration firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 6,217 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “business systems integration firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business systems integration firms are there based in the United Kingdom?

RevenueBase identified 1,607 company matches for business systems integration firms associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Lemongrass tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most business systems integration firms?

London leads with 529 company records, followed by Manchester (44) and Reading (26).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 6,217 professional contacts with verified work emails tracked across these 1,607 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.